115172029018 has 8 divisors (see below), whose sum is σ = 172765987380. Its totient is φ = 57583366560.

The previous prime is 115172029009. The next prime is 115172029043. The reversal of 115172029018 is 810920271511.

It can be written as a sum of positive squares in 2 ways, for example, as 71650976329 + 43521052689 = 267677^2 + 208617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269153 + ... + 1356868.

Almost surely, 2^115172029018 is an apocalyptic number.

115172029018 is a deficient number, since it is larger than the sum of its proper divisors (57593958362).

115172029018 is a wasteful number, since it uses less digits than its factorization.

115172029018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647952.

The product of its (nonzero) digits is 10080, while the sum is 37.

The spelling of 115172029018 in words is "one hundred fifteen billion, one hundred seventy-two million, twenty-nine thousand, eighteen".